The mission was conducted by the Portland Police Bureau's Traffic Division, the Multnomah County Sheriff's Office and the Oregon State Police from 4 p.m. Sunday to around 2 a.m. Monday.

According to the police, the mission focused on DUII enforcement and other dangerous driving behaviors. Those arrested included seven people suspected of DUII, three suspected of reckless driving, two suspected of hit and run, and one suspected of driving while suspended at the criminal level.

The Traffic Division will be conducting future enforcement missions as staffing allows, the police say.